CN109616021A - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN109616021A CN109616021A CN201910093473.3A CN201910093473A CN109616021A CN 109616021 A CN109616021 A CN 109616021A CN 201910093473 A CN201910093473 A CN 201910093473A CN 109616021 A CN109616021 A CN 109616021A
- Authority
- CN
- China
- Prior art keywords
- backboard
- area
- relief structure
- stress relief
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The invention discloses a kind of display devices, the display device includes: a flexible panel, the flexible panel includes a non-bent area and a bent area, and the bent area connects the non-bent area, and the flexible panel has an outer surface and the inner surface relative to the outer surface；An at least backboard is set on the inner surface and is located at the non-bent area；An and stress relief structure, it is arranged on the inner surface of the bent area, the stress relief structure connects the bent area and the backboard, wherein the stress relief structure is as made by a photaesthesia type high molecular material, and the photaesthesia type high molecular material is solidified by receiving a specific wavelength light.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of display device.
Background technique
As mobile phone Xiang Gaoping accounting, high-resolution direction are developed, the design of narrow frame even Rimless has become
The trend of external development, however technology is mostly to reach the effect for reducing frame by bending flexible panel at present.
As shown in Figure 1, a kind of existing display device 100, is bent to form a viewing area 112, one for a flexible panel 110
Bent area 114 and a non-display area 116.One first backboard 120 and one second backboard 130 are separately positioned on viewing area 112 and non-
The inside in aobvious area 116.It is further reduced however as frame or the whole further thinning of display device, bent area 114
Crooked process radius is smaller and smaller, and the stress for causing bent area 114 to be born is higher and higher, and generated stress is also got over when bending
More to concentrate on segment difference position A, C of specific position, especially bent area 114 and neighbouring backboard 120,130.
Therefore, it is necessary to a kind of display device is provided, to solve the problems of prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of display devices, and stress is arranged by the segment difference position in backboard and flex area
Alleviate structure to alleviate stress concentration phenomenon.In addition, stress relief structure can carry out shape by, for example, technologies such as coating UV glue
At to simplify making step and Production Time.
To reach foregoing purpose of the invention, the present invention provides a kind of display device, and the display device includes:
One flexible panel, the flexible panel include a non-bent area and a bent area, and the bent area connection is described non-
Bent area, the flexible panel have an outer surface and the inner surface relative to the outer surface；
An at least backboard is set on the inner surface and is located at the non-bent area；And
One stress relief structure, is arranged on the inner surface of the bent area, and the stress relief structure connects institute
Bent area and the backboard are stated, wherein the stress relief structure is the light as made by a photaesthesia type high molecular material
Responsive type high molecular material is solidified by receiving a specific wavelength light.
An embodiment according to the present invention, the specific wavelength light are ultraviolet light.
An embodiment according to the present invention, the stress relief structure contact the one side of the backboard.
An embodiment according to the present invention, the non-bent area include a viewing area and a non-display area.
The present invention also provides a kind of display device, the display device includes:
One flexible panel, the flexible panel include a viewing area, a bent area and a non-display area, and the bent area connects
The viewing area and non-display area are connect, the flexible panel has an outer surface and the inner surface relative to the outer surface；
One first backboard is set on the inner surface and is located at the viewing area；
One second backboard is set on the inner surface and is located at the non-display area；
One reinforcer is set between first backboard and second backboard；
One first stress relief structure connects the bent area and first backboard；And
One second stress relief structure connects the bent area and second backboard.
An embodiment according to the present invention, the inner surface of the first stress relief structure setting in the bent area
On, and the first stress relief structure contacts the one side of first backboard.
An embodiment according to the present invention, the inner surface of the second stress relief structure setting in the bent area
On, and the second stress relief structure contacts the one side of second backboard.
An embodiment according to the present invention, the first stress relief structure and the second stress relief structure are can by one
Solidify made by high molecular material.
An embodiment according to the present invention, the curable polymer material are a photaesthesia type high molecular material, the light
Responsive type high molecular material is solidified by receiving a specific wavelength light.
An embodiment according to the present invention, the specific wavelength light are ultraviolet light.
The invention has the benefit that being delayed by the way that stress relief structure is arranged between the inner surface and backboard of bent area
Solve stress concentration phenomenon.In addition, passing through photaesthesia type macromolecule as stress relief structure using photaesthesia type high molecular material
The cured characteristic of material irradiation can simplify making step and the Production Time of stress relief structure.
Detailed description of the invention
For above content of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate institute's accompanying drawings, makees
Detailed description are as follows:
Fig. 1 is an a kind of partial sectional view of existing display device.
Fig. 2 is an a kind of partial sectional view of display device in a non-bending state of one embodiment of the invention.
Fig. 3 is a partial sectional view of Fig. 2 embodiment in a bending state.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.Furthermore the direction term that the present invention is previously mentioned, for example, above and below, top, bottom, front, rear, left and right, inside and outside, side, surrounding, in
Centre, it is horizontal, laterally, vertically, longitudinally, axial direction, radial direction, top layer or lowest level etc., be only the direction with reference to annexed drawings.Cause
This, the direction term used is to illustrate and understand the present invention, rather than to limit the present invention.
Referring to figure 2. and Fig. 3, Fig. 2 are a kind of display devices of one embodiment of the invention at one innings of a non-bending state
Portion's cross-sectional view, Fig. 3 are a partial sectional view of Fig. 2 embodiment in a bending state.One embodiment of the invention provides one kind
Display device 200, the display device 200 include: a flexible panel 210, one first backboard 220, one second backboard 230, one
Reinforcer 240, one first stress relief structure 250 and one second stress relief structure 260.
The flexible panel 210 includes a viewing area 212, a bent area 214 and a non-display area 216, the bent area
The 214 connections viewing area 212 and non-display area 216, the flexible panel 210 have an outer surface 210a and relative to described
An inner surface 210b of outer surface 210a.In addition, the viewing area 212 and the non-display area 216 are properly termed as a bent area.
The viewing area 212 may include multiple luminescent devices, such as LED light emitting device, OLED luminescent device etc..The bent area
214 may include the multiple cablings for connecting the multiple luminescent device.
First backboard 220 can be set on the inner surface 210b by fitting and be located at the viewing area
212.Such as first backboard 220 is conformed to by the inner surface 210b by an adhesive agent (not being painted).Second back
Plate 230 is set on the inner surface 210b and is located at the non-display area 216.Such as it will by an adhesive agent (not being painted)
Second backboard 230 conforms to the inner surface 210b.It should be understood that the adhesive agent refers to that two kinds can be binded
The material of object.The adhesive agent also can have be heated cured characteristic or the cured characteristic of irradiation.Optionally, described first
Backboard 220 and second backboard 230 can also be by the cured high molecular material of irradiation, such as UV glue, be formed, so
The fabrication steps of coating adhesive agent can more be saved.
The reinforcer 240 is set between first backboard 220 and second backboard 230.The reinforcer 240
It can be bonded respectively with first backboard 220 and second backboard 230 by the adhesive agent.
The first stress relief structure 250 connects the bent area 214 and first backboard 220.Described first answers
Power is alleviated structure 250 and is arranged on the inner surface 210b of the bent area 214, and the first stress relief structure
The one side 222 of 250 contact first backboards 220.
The second stress relief structure 260 connects the bent area 214 and second backboard 230.Described second answers
Power is alleviated structure 260 and is arranged on the inner surface 210b of the bent area 214, and the second stress relief structure
The one side 232 of 260 contact second backboards 230.
The first stress relief structure 250 and the second stress relief structure 260 can be by a curable polymers
Made by material.The curable polymer material can be transformed into solid-state by liquid, for example, by heated, irradiation or it is other can
Capable mode changes.The curable polymer material can be glue or hot-setting adhesive.The curable polymer material can be
One photaesthesia type high molecular material, the photaesthesia type high molecular material can be solidified by receiving a specific wavelength light.
It should be understood that the light that the photaesthesia type high molecular material needs to receive certain energy/dosage can just be cured effect
It answers.And the specific wavelength can be infrared light, ultraviolet light or other feasible visible lights or black light.With described specific
Wavelength light is for ultraviolet light, the photaesthesia type high molecular material is a UV glue.
Referring to figure 2., illustrate by taking the UV glue as an example, when the display device 200 is in a non-bending state, pass through a little
Gluing equipment or other viable devices are in segment difference position A, C coating UV glue.Optionally, the position B also can be set described
UV glue.Subsequent irradiating ultraviolet light solidifies the UV glue and forms the first stress relief structure 250 and second stress relief
Structure 260.Wherein, the solidification energy of ultraviolet light can be 1500mj/cm2, wherein mj/cm2It is meant that face every square centimeter
The energy that illumination is received in product is 1 millijoule.Next, when one bending state of the display device 200 presentation is subsequent to carry out
When processing procedure, the first stress relief structure 250 and the second stress relief structure 260 can share part stress, slow down
The phenomenon that stress is concentrated.Optionally, first backboard 220, second backboard 230, the first stress relief structure 250
And the second stress relief structure 260 can be as made by identical curable polymer material, such as UV glue, so
Unmatched problem can occur with the stress relief structure 250,260 to avoid the backboard 220,230.
The invention has the benefit that being delayed by the way that stress relief structure is arranged between the inner surface and backboard of bent area
Solve stress concentration phenomenon.In addition, passing through photaesthesia type macromolecule as stress relief structure using photaesthesia type high molecular material
The cured characteristic of material irradiation can simplify making step and the Production Time of stress relief structure.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of display device, which is characterized in that the display device includes:
One flexible panel, the flexible panel include a non-bent area and a bent area, and the bent area connects the non-bending
Area, the flexible panel have an outer surface and the inner surface relative to the outer surface；
An at least backboard is set on the inner surface and is located at the non-bent area；And
One stress relief structure, is arranged on the inner surface of the bent area, and the stress relief structure connection is described curved
Folding area and the backboard, wherein the stress relief structure is the photaesthesia as made by a photaesthesia type high molecular material
Type high molecular material is solidified by receiving a specific wavelength light.
2. display device as described in claim 1, it is characterised in that: the specific wavelength light is ultraviolet light.
3. display device as described in claim 1, it is characterised in that: the stress relief structure contacts the side of the backboard
Face.
4. display device as described in claim 1, it is characterised in that: the non-bent area includes that a viewing area and one are non-display
Area.
5. a kind of display device, which is characterized in that the display device includes:
One flexible panel, the flexible panel include a viewing area, a bent area and a non-display area, and the bent area connects institute
Viewing area and non-display area are stated, the flexible panel has an outer surface and the inner surface relative to the outer surface；
One first backboard is set on the inner surface and is located at the viewing area；
One second backboard is set on the inner surface and is located at the non-display area；
One reinforcer is set between first backboard and second backboard；
One first stress relief structure connects the bent area and first backboard；And
One second stress relief structure connects the bent area and second backboard.
6. display device as claimed in claim 5, it is characterised in that: the first stress relief structure setting is in the bending
On the inner surface in area, and the first stress relief structure contacts the one side of first backboard.
7. display device as claimed in claim 5, it is characterised in that: the second stress relief structure setting is in the bending
On the inner surface in area, and the second stress relief structure contacts the one side of second backboard.
8. display device as claimed in claim 5, it is characterised in that: the first stress relief structure and second stress
Alleviating structure is as made by a curable polymer material.
9. display device as claimed in claim 8, it is characterised in that: the curable polymer material is that a photaesthesia type is high
Molecular material, the photaesthesia type high molecular material are solidified by receiving a specific wavelength light.
10. display device as claimed in claim 9, it is characterised in that: the specific wavelength light is ultraviolet light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093473.3A CN109616021A (en) | 2019-01-30 | 2019-01-30 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093473.3A CN109616021A (en) | 2019-01-30 | 2019-01-30 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109616021A true CN109616021A (en) | 2019-04-12 |
Family
ID=66021487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910093473.3A Pending CN109616021A (en) | 2019-01-30 | 2019-01-30 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109616021A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426877A (en) * | 2019-07-08 | 2019-11-08 | 深圳市华星光电技术有限公司 | A kind of narrow frame display panel and preparation method thereof, narrow frame display device |
| CN111028682A (en) * | 2019-11-21 | 2020-04-17 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| CN111106150A (en) * | 2019-12-06 | 2020-05-05 | 武汉华星光电半导体显示技术有限公司 | OLED display device |
| CN112071193A (en) * | 2020-09-07 | 2020-12-11 | 武汉华星光电半导体显示技术有限公司 | Backboard, manufacturing method thereof and display device |
| CN112150929A (en) * | 2020-09-27 | 2020-12-29 | 武汉华星光电半导体显示技术有限公司 | Backboard and display device |
| CN112289186A (en) * | 2020-10-26 | 2021-01-29 | 武汉华星光电半导体显示技术有限公司 | Display device |
| WO2021031452A1 (en) * | 2019-08-19 | 2021-02-25 | 武汉华星光电半导体显示技术有限公司 | Display apparatus and preparation method |
| CN113012579A (en) * | 2021-03-08 | 2021-06-22 | 京东方科技集团股份有限公司 | Display module and display device |
| CN114170915A (en) * | 2021-12-27 | 2022-03-11 | 深圳市华星光电半导体显示技术有限公司 | Flexible display panel |
| US20220141968A1 (en) * | 2020-11-04 | 2022-05-05 | Samsung Display Co., Ltd. | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426877A (en) * | 2019-07-08 | 2019-11-08 | 深圳市华星光电技术有限公司 | A kind of narrow frame display panel and preparation method thereof, narrow frame display device |
| WO2021031452A1 (en) * | 2019-08-19 | 2021-02-25 | 武汉华星光电半导体显示技术有限公司 | Display apparatus and preparation method |
| US11586248B2 (en) | 2019-08-19 | 2023-02-21 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display device and method of manufacturing same |
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| US11877502B2 (en) | 2019-11-21 | 2024-01-16 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible display device |
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| CN112071193A (en) * | 2020-09-07 | 2020-12-11 | 武汉华星光电半导体显示技术有限公司 | Backboard, manufacturing method thereof and display device |
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| US11931992B2 (en) | 2020-09-27 | 2024-03-19 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Backplate and display device |
| CN112289186A (en) * | 2020-10-26 | 2021-01-29 | 武汉华星光电半导体显示技术有限公司 | Display device |
| US20220141968A1 (en) * | 2020-11-04 | 2022-05-05 | Samsung Display Co., Ltd. | Display device |
| US11833806B2 (en) * | 2020-11-04 | 2023-12-05 | Samsung Display Co., Ltd. | Display device |
| CN113012579A (en) * | 2021-03-08 | 2021-06-22 | 京东方科技集团股份有限公司 | Display module and display device |
| CN113012579B (en) * | 2021-03-08 | 2023-02-28 | 京东方科技集团股份有限公司 | Display module and display device |
| CN114170915A (en) * | 2021-12-27 | 2022-03-11 | 深圳市华星光电半导体显示技术有限公司 | Flexible display panel |
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Application publication date: 20190412 |